煤矸石粉对土壤影响的复电阻率特征研究

Study on the Complex Resistivity Characteristics of the Influence of Coal Gangue Powder on Soil

摘要: 煤矸石是一种存在巨大资源潜力但同时也具有严重环境问题的废弃物。为研究煤矸石粉对土壤复电阻率影响的变化特征，本文以在宿州学院内采集的土壤为背景土样，对煤矸石粉和采集的土样进行不同质量配比，研究了复电阻率参数。实验共配置了10种质量比例(10、20、30、40、50、60、70、80、90和100 g)煤矸石粉与土壤(540 g)的混合物样本，分别测试振幅、相位和电导率的变化情况，分析在不同比例下煤矸石粉对土壤电阻率的影响。结果表明：随着煤矸石粉添加比例的增加，混合物样本的电导率和振幅逐渐降低，相位逐渐提高。本文的研究将为煤矸石粉在土壤改良剂中的应用提供重要的实验依据，同时为SIP方法在实际煤矸石污染场地的调查与评估提供了理论依据。

Abstract: Coal gangue is a type of waste that has enormous resource potential, but also poses serious environmental problems. To study the variation characteristics of the influence of coal gangue powder on the complex electrical resistivity of soil, this paper takes soil samples collected at Suzhou University as the background, and conducts different mass ratios of coal gangue powder and collected soil samples to study the complex electrical resistivity parameters. A total of 10 mixture samples of coal gangue powder and soil (540 g) with different mass ratios (10, 20, 30, 40, 50, 60, 70, 80, 90, and 100 g) were configured for the experiment. The changes in amplitude, phase, and conductivity were tested, and the effects of coal gangue powder on soil electrical resistivity were analyzed under different ratios. The results indicate that as the proportion of coal gangue powder added increases, the conductivity and amplitude of the mixture sample gradually decrease, while the phase gradually increases. The research in this article will provide an important ex-perimental basis for the application of coal gangue powder in soil amendments, and also provide a theoretical basis for the SIP method in the investigation and evaluation of actual coal gangue-contaminated sites.